name: Native Image

on:
  push:
    branches:
      - native-image

defaults:
  run:
    shell: bash

jobs:
  workflow_config:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the repository
        uses: actions/checkout@v3

      - name: Get jar
        run: |
          wget "https://github.com/plantuml/plantuml/releases/download/${PLANTUML_VERSION}/plantuml-${PLANTUML_VERSION#?}.jar" -O plantuml.jar
        env:
          PLANTUML_VERSION: "v1.2023.4"

      - name: Install system requirements
        run: sudo apt install build-essential libz-dev zlib1g-dev

      - name: Get GraalVM
        run: |
          wget "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-${GRAALVM_VERSION}/graalvm-ce-java17-linux-amd64-${GRAALVM_VERSION}.tar.gz" -O graalvm-ce.tar.gz
          mkdir graalvm-ce
          tar xvzf graalvm-ce.tar.gz -C graalvm-ce --strip-components 1
          ./graalvm-ce/bin/gu install native-image
        env:
          GRAALVM_VERSION: "22.3.1"

      - name: Generate GraalVM configuration
        run: |
          mkdir native-image-config-dir
          echo 'Bob->Alice: Hello' | ./graalvm-ce/bin/java -agentlib:native-image-agent=config-output-dir=./native-image-config-dir -jar plantuml.jar -tpng -pipe > out.png

      - name: Generate native image
        run: |
          ./graalvm-ce/bin/native-image -H:ConfigurationFileDirectories=./native-image-config-dir --no-fallback --report-unsupported-elements-at-runtime -jar plantuml.jar

      - name: Upload native-image as artifact
        uses: actions/upload-artifact@v3
        with:
          name: linux-native-image
          path: plantuml